EdgeMarketInstruments › MTRX

MTRX — MATRIX SERVICE CO

US Industrials Engineering & construction equity mkt cap 311.4M
11.07 -0.98% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 10.12 · high 15.74

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-0.98%
1 week-7.05%
1 month-13.72%
3 months-11.65%
6 months-0.18%
Year to date-8.13%
1 year-24.13%
3 years+75.71%
5 years+0.82%

Technicals

RSI 1435.0
vs 50-day avg-11.42%
vs 200-day avg-9.74%
Volatility 1y48.3%
Max drawdown 1y-35.71%
Avg volume 30d179.0K
Daily bars held2,674
History from2016-01-04

Measured signals that fired on MTRX

datesignal measured base rate
2026-08-21Equal lows taken out
structure
-0.64% over 21 days · t = -4.75 · n = 55,661
statistically distinguishable from its control group
2026-08-19Short volume far above its own normal
short
-0.76% over 21 days · t = -2.79 · n = 5,897
statistically distinguishable from its control group
2026-05-04Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-03-20Volume shock without a price move
price
-1.33% over 21 days · t = -4.53 · n = 16,432
statistically distinguishable from its control group
2026-03-10Short volume far above its own normal
short
-0.76% over 21 days · t = -2.79 · n = 5,897
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-06-15Cavanah Kevin S
VP Finance & CFO
Open-market sale 10b5-1 plan1.4K14.0319.9K
2026-06-12SHEETS JUSTIN D
SVP, Enterprise Services
Open-market sale17.0K13.50229.4K
2026-06-12Cavanah Kevin S
VP Finance & CFO
Open-market sale 10b5-1 plan2.1K14.0029.0K
2026-06-05Cavanah Kevin S
VP Finance & CFO
Open-market sale 10b5-1 plan6.5K14.1392.0K
2026-06-04Cavanah Kevin S
VP Finance & CFO
Open-market sale 10b5-1 plan50.0K14.10704.9K
2026-05-26Cavanah Kevin S
VP Finance & CFO
Open-market sale 10b5-1 plan60.0K12.90773.8K
2026-05-08HEWITT JOHN R
President & CEO
Open-market sale36.0K12.50450.2K
2026-02-18AUSTIN NANCY E
VP, Chief Admin Officer
Open-market sale4.2K11.2947.3K
2025-11-25PAYNE SHAWN P
President, Eng & Constr
Open-market sale5.2K11.4259.7K
2025-11-20PAYNE SHAWN P
President, Eng & Constr
Open-market sale3.0K11.4234.5K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.23.1M2.0M
NEEDHAM INVESTMENT MANAGEMENT LLC16.5M1.4M
GENDELL JEFFREY L14.1M1.2M
VANGUARD CAPITAL MANAGEMENT LLC13.7M1.2M
AMERICAN CENTURY COMPANIES INC11.3M981.6K
WESTERLY CAPITAL MANAGEMENT, LLC11.1M965.0K
Harvey Partners, LLC10.4M905.0K
First Eagle Investment Management, LLC9.8M850.8K
Azarias Capital Management, L.P.9.4M817.0K
GEODE CAPITAL MANAGEMENT, LLC7.9M685.4K

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d34.5% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Ask the AI about MTRX

The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.

Open MTRX in the terminal → How the AI works

Everything on this page is live in the terminal.

Charts, filings, insider flow and the AI — open without an account.

Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →